1002120121110 has 32 divisors (see below), whose sum is σ = 2406211792992. Its totient is φ = 267107198720.

The previous prime is 1002120121087. The next prime is 1002120121133. The reversal of 1002120121110 is 111210212001.

It is an interprime number because it is at equal distance from previous prime (1002120121087) and next prime (1002120121133).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7736799 + ... + 7865258.

It is an arithmetic number, because the mean of its divisors is an integer number (75194118531).

Almost surely, 2^{1002120121110} is an apocalyptic number.

1002120121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002120121110 is an abundant number, since it is smaller than the sum of its proper divisors (1404091671882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002120121110 is a wasteful number, since it uses less digits than its factorization.

1002120121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15604208.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002120121110 its reverse (111210212001), we get a palindrome (1113330333111).

The spelling of 1002120121110 in words is "one trillion, two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ten".